Home / 4,215.28-6,322.96-2,763.62

Finding the Fourth Proportional to 4,215.28, 6,322.96 and 2,763.62

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Solution

The fourth proportional to 4,215.28, 6,322.96 and 2,763.62 is: 4,145.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.28 : 6,322.96 = 2,763.62 : x
  2. Step 2: Convert to fraction form
    4,215.28/6,322.96 = 2,763.62/x
  3. Step 3: Cross multiply
    4,215.28x = 6,322.96 × 2,763.62
  4. Step 4: Simplify right side
    4,215.28x = 17,474,258.72
  5. Step 5: Solve for x
    x = 17,474,258.72/4,215.28
  6. Step 6: Final answer
    x = 4,145.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.